High Purity Aluminum Powder 99.99%
4N (99.99%) ultra-high purity non-lamellar aluminum powder for semiconductor sputtering targets and electronics. Spherical particles 1-5 microns meet HTS 7603.10.00.00 for pure aluminum powders. Vacuum packaged to maintain extreme purity levels.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If pressed into sputtering targets
Fabricated electrical articles containing pure metal shift to chapter 85.
If special purity flakes for optics
Even high purity lamellar powders remain flakes under 7603.20.
If ultra-reactive nanoscale (<1μm)
Nanoparticles meeting chemical compound criteria may classify as artificial graphite equivalents.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Provide glow discharge mass spectrometry (GDMS) analysis for trace element verification
• Ship in cleanroom double-bagged containers; declare cleanroom class
• Classify before consolidation into sputtering targets (7115 classification)
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